Wastewater’s Not So Bad: Philadelphia Experiments in Sewage-Based Heating

Apr 17, 2012

Sewage might not have the romance of renewable energy techniques like wind or solar power. But it can keep a wastewater plant warm.

NovaThermal Energy will harness sewage energy to heat a wastewater plant in Philadelphia, according to the Philadelphia Inquirer.

In sewage geothermal, wastewater passes through a heat pump, which can isolate the energy from heat. Water from dishwashers, showers, and the like can be used. NovaThermal’s patented filter removes larger debris before the water reaches the building it is heating, according to SmartPlanet.

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